Year	% of GDP
1986	21.831101365118247
1987	22.137885296841255
1988	22.990087675606308
1989	23.926824047161254
1990	23.314771836619546
1991	21.914108860456043
1992	22.34360185912284
1993	21.185182693247366
1994	21.15001247563392
1995	18.471781681219397
1996	17.518602830534764
1997	16.66620802571167
1998	16.778716439761006
1999	21.615480544718753
2000	21.462648099285307
2001	21.230632501842383
2002	19.78025254178407
2003	20.931680536536092
2004	21.251460885057867
2005	21.23595202252853
2006	20.977040599175716
2007	22.72540520666239
2008	23.724104575103002
2009	25.334809207286057
2010	23.009404365051207
2011	23.04670563159426
2012	22.73263509477742
2013	22.945662000750485
2014	23.24929780425979
2015	23.210634196204385
2016	23.52216963919904
2017	23.541581602104475
2018	22.506351390104083
2019	22.27982380041784
2020	21.850622363544044
2021	22.130973703247612
2022	22.63041102676989
2023	23.896958061224925